<template>
  <el-form :inline="true" :model="cForm" :disabled="!isShowList">
    <el-form-item label="一级分类" >
      <el-select v-model="category1List.id" placeholder="请选择" @change="handlerCategory1">
        <el-option :label="c1.name" :value="c1.id" v-for="(c1,index) in category1List" :key="c1.id"></el-option>
      </el-select>
    </el-form-item>
    <el-form-item label="二级分类">
      <el-select v-model="category2List.id" placeholder="请选择" @change="handlerCategory2">
        <el-option :label="c2.name" :value="c2.id" v-for="(c2,index) in category2List" :key="c2.id"></el-option>
      </el-select>
    </el-form-item>
    <el-form-item label="三级分类">
      <el-select v-model="category3List.id" placeholder="请选择" @change="handlerCategory3">
        <el-option :label="c3.name" :value="c3.id" v-for="(c3,index) in category3List" :key="c3.id"></el-option>
      </el-select>
    </el-form-item>
  </el-form>
</template>

<script>
export default {
  name: "CategorySelector",
  props:['isShowList'],
  data() {
    return {
      cForm:{
        category1Id:'',
        category2Id:'',
        category3Id:'',
      },
      category1List:[],
      category2List:[],
      category3List:[]
    }
  },
mounted() {
    this.getCategory1()
},
  methods:{
    //获取1级分类
     async getCategory1(){
       try {
         const result=await this.$API.category.getCategory1()
         if (result.code===200||result.code===20000){
           /* console.log(result.data)*/
           this.category1List=result.data
         }
       }catch (error){
         this.$message.error('获取分类列表失败')
       }
    },
    //选择1级分类获得2级分类的数据
     async handlerCategory1(category1Id){
       //父子通信 用自定义事件
       this.$emit('changeCategory',{categoryId:category1Id,level:1})
       try {
         const  result=await this.$API.category.getCategory2(category1Id)
         if (result.code===200||result.code===20000){
           /*console.log(result.data)*/
           this.category2List=result.data
         }
       }catch (error){
         this.$message.error('获取二级分类失败')
       }
    },
    //选择2级分类获得3级分类的数据
     async handlerCategory2(category2Id){
       //父子通信 用自定义事件
       this.$emit('changeCategory',{categoryId:category2Id,level:2})
       try {
         const result=await this.$API.category.getCategory3(category2Id)
         if (result.code===200||result.code===20000){
         this.category3List=result.data
         }
       }catch (error){
         this.$message.error('获取三级分类失败')
       }
    },
    //选择3级分类 暂时没干什么事情 先写上
    handlerCategory3(category3Id){
      //父子通信 用自定义事件
      this.$emit('changeCategory',{categoryId:category3Id,level:3})
    }
  }
}
</script>

<style lang="less" scoped>

</style>
